{"id":2942,"date":"2024-06-16T18:25:18","date_gmt":"2024-06-16T16:25:18","guid":{"rendered":"https:\/\/digitalia.culturanuova.net\/blog\/?p=2942"},"modified":"2024-06-16T18:25:18","modified_gmt":"2024-06-16T16:25:18","slug":"check-a-mysql-connection-error","status":"publish","type":"post","link":"https:\/\/digitalia.culturanuova.net\/blog\/?p=2942","title":{"rendered":"Check a mysql connection error"},"content":{"rendered":"\n<p>If your server cannot establish a connection with a webpage, you can check where is the problem with a code like the following:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?php\n$link = mysqli_connect(\"localhost\", \"user\", \"psw\", \"dbname\");\n\n\/* check connection *\/\nif (mysqli_connect_errno()) {\n    printf(\"Connect failed: %s\\n\", mysqli_connect_error());\n    exit();\n}\n\nif (!mysqli_query($link, \"SET a=1\")) {\n    printf(\"Error message: %s\\n\", mysqli_error($link));\n}\n\n\/* close connection *\/\nmysqli_close($link);\n?>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>If your server cannot establish a connection with a webpage, you can check where is the problem with a code like the following:<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[579,751,566],"tags":[11],"class_list":["post-2942","post","type-post","status-publish","format-standard","hentry","category-database","category-php","category-webmaster","tag-mysql"],"_links":{"self":[{"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2942","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2942"}],"version-history":[{"count":1,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2942\/revisions"}],"predecessor-version":[{"id":2943,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2942\/revisions\/2943"}],"wp:attachment":[{"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/digitalia.culturanuova.net\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}